I wrote it in OS X. I'm not sure where you see "doesn't work in OS X". I said it doesn't work in Windows. Quoting the docs: "it's likely to only work in Linux

I wrote it in OS X. I'm not sure where you see "doesn't work in OS X". I said it doesn't work in Windows. Quoting the docs: "it's likely to only work in Linux and OS X for the near future" It works out of the box for me in Mavericks. It would actually have a worse time running if you managed to use MacVim on the backend, because it scrapes the status and command lines from terminal output.